ATMEGA325A-AN
- Mfr.Part #
- ATMEGA325A-AN
- Manufacturer
- Atmel (Microchip Technology)
- Package / Case
- 64-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 32KB FLASH 64TQFP
- Stock
- 14,803
- In Stock :
- 14,803
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- Manufacturer :
- Atmel (Microchip Technology)
- Product Category :
- Microcontrollers
- Data Bus Width :
- 8B
- Terminal Form :
- Gull wing
- CPU Family :
- AVR RISC
- Interfaces :
- SPI/USART
- Terminal Pitch :
- 0.8mm
- Mounting Style :
- SMD/SMT
- Length :
- 14mm
- Base Product Number :
- ATMEGA325
- Qualification Status :
- Not Qualified
- Program Memory Type :
- Flash
- Surface Mount :
- yes
- RAM Size :
- 2K x 8
- Bit Size :
- 8
- Supply Voltage :
- 5V
- Data Converters :
- A/D 8x10b
- Device Core :
- AVR
- ROM Programmability :
- Flash
- Additional Feature :
- OPERATES AT 1.8 V MINIMUM SUPPLY AT 4 MHZ.
- Connectivity :
- SPI, UART/USART, USI
- Program Memory Size :
- 32KB 16K x 16
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/Os :
- 54 I/O
- Mounting Type :
- Surface Mount
- Interface :
- SPI, UART, USART
- Operating Temperature :
- -40°C~105°C TA
- Base Part Number :
- ATMEGA325A
- PWM Channels :
- yes
- Number of I/O Lines :
- 54
- Product :
- MCU
- Supply Voltage-Max (Vsup) :
- 5.5V
- Manufacturer :
- Microchip
- Memory Size :
- 32kB
- Seated Height-Max :
- 1.2 mm
- Supplier Device Package :
- 64-TQFP (14x14)
- Frequency :
- 20MHz
- Supply Current-Max :
- 12 mA
- Tradename :
- AVR
- Width :
- 14 mm
- Oscillator Type :
- Internal
- Peak Reflow Temperature (Cel) :
- 260
- Package Shape :
- Square
- Number of Terminals :
- 64
- RAM (bytes) :
- 2048
- Factory Lead Time :
- 4 Weeks
- Core Size :
- 8-Bit
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Reach Compliance Code :
- Compliant
- ROM (words) :
- 16384
- DAC Channels :
- No
- DMA Channels :
- No
- Time@Peak Reflow Temperature-Max (s) :
- 40
- RoHS Status :
- ROHS3 Compliant
- Speed :
- 20MHz
- JESD-30 Code :
- S-PQFP-G64
- Product Category :
- 8-bit Microcontrollers - MCU
- Terminal Finish :
- Matte Tin (Sn)
- Package / Case :
- 64-TQFP
- Number of I/O :
- 54
- Pbfree Code :
- yes
- Maximum Operating Temperature :
- + 105 C
- Temperature Grade :
- Industrial
- Published :
- 1997
- Series :
- AVR® ATmega
- Has ADC :
- yes
- Minimum Operating Temperature :
- - 40 C
- JESD-609 Code :
- e3
- Packaging :
- Tube
- Package :
- Tray
- Terminal Position :
- QUAD
- Core Processor :
- AVR
- Data Converter :
- A/D 8x10b
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Product Type :
- 8-bit Microcontrollers - MCU
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- RoHS :
- Details
- Product Status :
- Active
- Power Supplies :
- 2/5V
- Interface Type :
- SPI
- EEPROM Size :
- 1K x 8
- Height Seated (Max) :
- 1.2mm
- Number of Terminations :
- 64
- Supply Voltage-Min (Vsup) :
- 4.5V
- Brand :
- Microchip Technology / Atmel
- Datasheets
- ATMEGA325A-AN
ATMEGA325A-AN Documents

Microcontrollers Atmel (Microchip Technology) ATMEGA325A-AN Overview
The ATMEGA325A-AN from Atmel (Microchip Technology) stands out as a robust microcontroller unit (MCU) tailored for demanding applications requiring agility and efficiency. This 8-bit MCU, housed in a compact 64-TQFP package, integrates 32KB of flash memory, providing ample space for application code and data storage. The device is designed for streamlined integration and enhanced functionality in a variety of systems, making it an essential component for developers looking to optimize performance and reliability. The versatility of the ATMEGA325A-AN, combined with its low power consumption and advanced peripherals, makes it particularly well-suited for the development of advanced industrial, automotive, and consumer electronics that require a high degree of programmability and connectivity.
ATMEGA325A-AN Features
The ATMEGA325A-AN microcontroller includes several key features that make it highly effective for a wide range of applications. These features include a high-performance 8-bit AVR RISC-based processor, 32KB ISP flash memory with read-while-write capabilities, 1KB EEPROM, and 2KB SRAM. The device supports up to 20 MIPS throughput at 20MHz and offers various peripherals such as 32 general-purpose I/O lines, 32 general-purpose working registers, three flexible timer/counters with compare modes, internal and external interrupts, a serial programmable USART, a byte-oriented 2-wire serial interface, SPI serial port, a 6-channel 10-bit A/D converter, programmable watchdog timer with internal oscillator, and five software selectable power saving modes.
ATMEGA325A-AN Applications
- Industrial Automation: Utilized in controlling machinery, sensor data collection, and interfacing with industrial networks, enhancing operational efficiencies and precision.
- Automotive: Employed in automotive systems for engine management, infotainment systems control, and body electronics, ensuring robust performance under harsh conditions.
- Consumer Electronics: Integrated into devices such as smart appliances, wearable technology, and home automation systems, providing smart, connected solutions for everyday use.
- Medical Devices: Serves as the control center in portable medical instruments and monitors, facilitating reliable patient monitoring and diagnostics.
- Building Management Systems: Powers applications for monitoring and controlling heating, ventilation, and air conditioning systems (HVAC), contributing to energy efficiency and optimized building operations.
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